From 2e6013cb4b53e3206d332a03e048b6c7d687ac59 Mon Sep 17 00:00:00 2001
From: Jonathan Wakely <jwakely@redhat.com>
Date: Mon, 9 Aug 2021 16:16:51 +0100
Subject: [PATCH] Patched and rebuilt for Boost 1.76

---
 librime-boost176-exp.patch | 38 ++++++++++++++++++++++++++++++++++++++
 librime.spec               |  6 ++++--
 2 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100644 librime-boost176-exp.patch

diff --git a/librime-boost176-exp.patch b/librime-boost176-exp.patch
new file mode 100644
index 0000000..975c41a
--- /dev/null
+++ b/librime-boost176-exp.patch
@@ -0,0 +1,38 @@
+From 4bed1934d4f1c46af3f2e10199238bc5ab2a7649 Mon Sep 17 00:00:00 2001
+From: HanatoK <summersnow9403@gmail.com>
+Date: Sat, 1 May 2021 01:04:38 -0500
+Subject: [PATCH] Fix FTBFS.
+
+Previous boost library (1.75) may implicitly include cmath, but the
+latest version (1.76) does not, so the calls to exp are undefined. This
+commit include cmath in script_translator.cc and table_translator.cc to
+fix the issue (#462).
+---
+ src/rime/gear/script_translator.cc | 1 +
+ src/rime/gear/table_translator.cc  | 1 +
+ 2 files changed, 2 insertions(+)
+
+diff --git a/src/rime/gear/script_translator.cc b/src/rime/gear/script_translator.cc
+index 4a45f05e..25061659 100644
+--- a/src/rime/gear/script_translator.cc
++++ b/src/rime/gear/script_translator.cc
+@@ -8,6 +8,7 @@
+ //
+ #include <algorithm>
+ #include <stack>
++#include <cmath>
+ #include <boost/algorithm/string/join.hpp>
+ #include <boost/range/adaptor/reversed.hpp>
+ #include <rime/composition.h>
+diff --git a/src/rime/gear/table_translator.cc b/src/rime/gear/table_translator.cc
+index 162ac024..c95e5e24 100644
+--- a/src/rime/gear/table_translator.cc
++++ b/src/rime/gear/table_translator.cc
+@@ -6,6 +6,7 @@
+ //
+ #include <boost/algorithm/string.hpp>
+ #include <boost/range/adaptor/reversed.hpp>
++#include <cmath>
+ #include <utf8.h>
+ #include <rime/candidate.h>
+ #include <rime/common.h>
diff --git a/librime.spec b/librime.spec
index 18df247..bf066cf 100644
--- a/librime.spec
+++ b/librime.spec
@@ -6,6 +6,8 @@ Summary:        Rime Input Method Engine Library
 License:        GPLv3
 URL:            https://rime.im/
 Source0:        https://github.com/rime/librime/archive/%{version}.tar.gz#/%{name}-%{version}.tar.gz
+# https://github.com/rime/librime/issues/462
+Patch0:         librime-boost176-exp.patch
 
 BuildRequires:  gcc-c++
 BuildRequires:  cmake, opencc-devel
@@ -80,8 +82,8 @@ The %{name}-tools package contains tools for %{name}.
 
 
 %changelog
-* Fri Aug 06 2021 Jonathan Wakely <jwakely@redhat.com> - 1.7.2-3
-- Rebuilt for Boost 1.76
+* Mon Aug 09 2021 Jonathan Wakely <jwakely@redhat.com> - 1.7.2-3
+- Patched and rebuilt for Boost 1.76
 
 * Thu Jul 22 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.7.2-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild